Question 1

Short tandem repeats are used to create DNA fingerprints because they are highly ________ regions of DNA.

Accepted Answer

The answer of Short tandem repeats are used to create...

Question 2

A(n)________ is a small,circular portion of DNA that is found in bacteria and is NOT part of the main genome.

Accepted Answer

The answer of A(n)________ is a small,circular portion of DNA...

Question 3

Which of the following is NOT required for reproductive cloning?

Accepted Answer

A)   an egg cell that lacks a nucleus
B)   a somatic cell
C)   an electrical current
D)   a restriction enzymeE) A) and B)
F) B) and C)

Question 4

Pigs have been reproductively cloned whose organs will not stimulate the ________.

Accepted Answer

The answer of Pigs have been reproductively cloned whose organs...

Question 5

DNA from one organism will not bond to DNA from another organism.

Accepted Answer

A) True 
 B)False

Question 6

Researchers commonly use DNA technology to create recombinant DNA that has a "glowing" protein product.Which of the following is a benefit of this technology?

Accepted Answer

A)   This technology provides proof to nonscientists that genetic engineering is safe.
B)   Organisms that express this gene can obtain energy through photosynthesis rather than consumption.
C)   The genes for glowing proteins are easier to clone than other genes.
D)   Glowing proteins allow scientists to see where a particular gene is expressed in living cells.E) All of the above
F) A) and D)

Question 7

The use of genetic engineering has social,economic,and ecological implications.

Accepted Answer

A) True 
 B)False

Question 8

In order to study a gene,a scientist needs to make many copies of that gene using

Accepted Answer

A)   gene therapy.
B)   DNA microarrays.
C)   restriction enzymes.
D)   the polymerase chain reaction.E) A) and B)
F) A) and D)

Question 9

RNA interference would be most useful as a treatment in which of the following scenarios?

Accepted Answer

A)   homozygous expression of the defective hemoglobin gene in sickle cell anemia
B)   lack of expression of the chloride channel gene in cystic fibrosis
C)   death of insulin-producing cells in type 1 diabetes
D)   overexpression of inflammatory genes in Crohn diseaseE) None of the above
F) All of the above

Question 10

Parkinson's disease,a devastating neurological disorder marked by uncontrollable body movements,may be treated with stem cell therapy and ________ medicine in the future.

Accepted Answer

The answer of Parkinson's disease,a devastating neurological disorder marked by...

Question 11

The least controversial source of human pluripotent stem cells is from

Accepted Answer

A)   the inner cell mass of an embryo.
B)   donated in vitro blastocysts.
C)   cord blood from a newborn.
D)   somatic cells induced with four proteins.E) B) and C)
F) A) and B)

Question 12

Giving rise to all the cell types that occur in the human body,________ stem cells are obtained from the inner cell mass of a blastocyst.

Accepted Answer

The answer of Giving rise to all the cell types...

Question 13

This graph shows that genetically modified salmon ________ than unmodified salmon.

Accepted Answer

A)   breed more quickly
B)   are, at maturity, larger
C)   reach a body weight of 4,000 grams faster
D)   do more harm to native insect populationsE) None of the above
F) A) and C)

Question 14

Gene therapy is described in the Biology in the News article as creating "microscopic factories" that produce missing enzymes or proteins.What provides the instructions to these microscopic factories?

Accepted Answer

A)   a gene introduced to the patient's body in a recombinant virus
B)   a pluripotent cell obtained from a donated blastocyst
C)   four genes introduced into the patient's cells to make them totipotent
D)   a protein produced by recombinant bacteria in the patient's digestive systemE) B) and D)
F) B) and C)

Question 15

Genetic engineering has been used to mass produce insulin for diabetics.

Accepted Answer

A) True 
 B)False

Question 16

To produce a recombinant subunit vaccine,genes from an infectious microbe are genetically engineered into bacteria or yeast.The protein products of the transgenic infectious microbe genes are

Accepted Answer

A)   antigens.
B)   plasmids.
C)   vectors.
D)   restriction enzymes.E) B) and C)
F) None of the above

Question 17

Among these DNA fragments,which would move most quickly during gel electrophoresis?

Accepted Answer

A)   AATAAT
B)   AATAATAATAAT
C)   AAATTAAT
D)   AATAATAATAATAATAATAATE) A) and C)
F) All of the above

Question 18

DNA ________ occurs when complementary single-stranded DNA molecules from two different sources undergo base pairing.

Accepted Answer

The answer of DNA ________ occurs when complementary single-stranded DNA...

Question 19

Skin graft tissue grown from the skin stem cells of a burn victim is an example of

Accepted Answer

A)   regenerative medicine.
B)   reproductive cloning.
C)   genetic engineering.
D)   DNA fingerprinting.E) All of the above
F) None of the above

Question 20

Restriction enzymes work only on bacterial DNA.

Accepted Answer

A) True 
 B)False

Exam 13: DNA Technology

Researchers commonly use DNA technology to create recombinant DNA that has a "glowing" protein product.Which of the following is a benefit of this technology?

Correct AnswerverifiedShow Answer

Short tandem repeats are used to create DNA fingerprints because they are highly ________ regions of DNA.

Correct AnswerverifiedShow Answer

Gene therapy is described in the Biology in the News article as creating "microscopic factories" that produce missing enzymes or proteins.What provides the instructions to these microscopic factories?

Correct AnswerverifiedShow Answer

To produce a recombinant subunit vaccine,genes from an infectious microbe are genetically engineered into bacteria or yeast.The protein products of the transgenic infectious microbe genes are

Correct AnswerverifiedShow Answer

DNA ________ occurs when complementary single-stranded DNA molecules from two different sources undergo base pairing.

Correct AnswerverifiedShow Answer

Parkinson's disease,a devastating neurological disorder marked by uncontrollable body movements,may be treated with stem cell therapy and ________ medicine in the future.

Correct AnswerverifiedShow Answer

DNA from one organism will not bond to DNA from another organism.

Correct AnswerverifiedShow Answer

This graph shows that genetically modified salmon ________ than unmodified salmon.

Correct AnswerverifiedShow Answer

Among these DNA fragments,which would move most quickly during gel electrophoresis?

Correct AnswerverifiedShow Answer

Genetic engineering has been used to mass produce insulin for diabetics.

Correct AnswerverifiedShow Answer

Skin graft tissue grown from the skin stem cells of a burn victim is an example of

Correct AnswerverifiedShow Answer

In order to study a gene,a scientist needs to make many copies of that gene using

Correct AnswerverifiedShow Answer

Giving rise to all the cell types that occur in the human body,________ stem cells are obtained from the inner cell mass of a blastocyst.

Correct AnswerverifiedShow Answer

Pigs have been reproductively cloned whose organs will not stimulate the ________.

Correct AnswerverifiedShow Answer

The use of genetic engineering has social,economic,and ecological implications.

Correct AnswerverifiedShow Answer

A(n)________ is a small,circular portion of DNA that is found in bacteria and is NOT part of the main genome.

Correct AnswerverifiedShow Answer

Which of the following is NOT required for reproductive cloning?

Correct AnswerverifiedShow Answer

RNA interference would be most useful as a treatment in which of the following scenarios?

Correct AnswerverifiedShow Answer

The least controversial source of human pluripotent stem cells is from

Correct AnswerverifiedShow Answer

Restriction enzymes work only on bacterial DNA.

Correct AnswerverifiedShow Answer

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